Stadium: Indoor B Round: 27 Ground: Hardcourt outdoor
| ITF M25 Sapporo MD | 2023/09/13 05:40 | Kawachi/Sumizawa v Jang/Shin | 6-2,6-2 |
| ITF M15 Karuizawa MD | 2023/06/04 01:00 | Kawachi/Sumizawa v Han/Shin | 3-6,3-6 |
| ITF M15 Karuizawa MD | 2023/06/01 05:10 | Kawachi/Sumizawa v Kono/Kusuhara | 6-3,6-4 |
| ITF M15 Karuizawa MD | 2023/05/31 05:55 | Kawachi/Sumizawa v Matsumura/Takamisawa | 6-4,6-4 |
| ITF M15 Kuala Lumpur MD | 2022/07/29 06:30 | Shimizu/Tanuma v Kawachi/Sumizawa | 6-3,4-6,11-9 |
| ITF M15 Kuala Lumpur MD | 2022/07/28 08:10 | Kawachi/Sumizawa v Le/Ly | 3-6,6-0,10-4 |
| ITF M15 Kuala Lumpur MD | 2022/07/26 05:55 | Kawachi/Sumizawa v Abd Hazli/M Rifqi | 6-3,6-2 |
| ITF M15 Akishima MD | 2019/06/14 04:35 | Ehara/Katayama v Kawachi/Sumizawa | 6-3,6-4 |
| Challenger Cali MD | 2022/06/28 22:00 | Nakagawa/Ogura v Carou/Mena | 6-7,5-7 |